Technics SL-PC25 - TERMINAL FUNCTION OF ICS; IC101 (AN8373 S): Servo amp.

SL-PC25
@ TERMINAL FUNCTION OF IC’S
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1C101
(AN8373S):
Servo
amp.
ome | etn
Division
1
2
3
4
5
6
7
8
RF signal input (X30 amp.)
PDAD | Photo detector current input (A2)
PDA Photo detector current input (A1)
PDBD I Photo detector current input (A4)
PDB | Photo detector current input (A3)
LPD | Non-inverting laser power input
Laser power auto control output
PD balance adjustment
Tracking balance adjustment
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12 FOOFS ( Focus offset adjustment
15 FE [@) Focus gain adjustment output
16 FPI | Focus error signal input
TP I Tracking error signal input
Tracking error filter capacitor
input
Focus error filter capacitor input
Pin 1/0
TPO oO Tracking error signal output
23 FPO oO Focus error signal oytput
Focus gain up signal input
sai locks (Not used, connected to GND)
25 tcc | Tracking gain up signal input
(Not used, connected to GND)
26 GD \ Focus/Tracking down signal input
(Not used, connected to GND)
27 PTO oO Position detecting amp. output
PTI | Position detecting amp. input
PBO oO Position detecting buffer output
POT t Position detecting buffer input
BDO oO Dropout detection output
RFDET O RF detection signal output
SDO oO Dropout detection pulse output
Cc. SBDO i Dropout detecting capacitor input
35 ARF O RF signal output
36 Cc. AGC | AGC detecting capacitor input
3 Vcc Power supply (+5 V input)
38
39
L
Laser power control input
FIN RF signal input
MPO RF signal output
VREF Reference voltage output
PIDicr
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2
GND Ground terminal
= "90 =